Can you live a long life with achalasia?

In group A, the estimated 20-year survival rates in patients with achalasia [76% (95% confidence interval (CI): 66-85%)] did not significantly differ from those in controls 80% (95% CI: 71-89%). In group B, 25-year survival rates were also similar in patients [87% (95% CI: 78-97%)] and controls [86% (95% CI:…

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What happened in the Suez Canal crisis of 1956?

The Suez Crisis began on October 29, 1956, when Israeli armed forces pushed into Egypt toward the Suez Canal after Egyptian president Gamal Abdel Nasser (1918-70) nationalized the canal, a valuable waterway that controlled two-thirds of the oil used by Europe. How did the US react to the 1956 Suez…

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What causes abnormal fat distribution?

There are a variety of known causes of lipodystrophy. These may be inherited (genetic) or acquired. Inherited causes of lipodystrophy can result in a partial or complete lack of adipose tissue among those affected. Most of the genes involved appear to play a role in the development and function of…

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What is gibbsite used for?

Synthetic gibbsite is made from bauxite or high-alumina materials for use in the production of aluminum metal and alumina chemicals. For detailed physical properties, see oxide mineral (table). What is bauxite chemical formula? Bauxite PubChem CID 91886302 Molecular Formula Al2H2O4 Synonyms Bauxite oxo(oxoalumanyloxy)alumane;hydrate Al2O3.H2O 5461AF Q26841254 Molecular Weight 119.977 Component…

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How is the polypeptide chain assembled?

Polypeptide chains are formed by dehydration between the amino group of a L-amino acid4 with the carboxyl group of another. One hundred or more amino acids are linked together with covalent peptide bonds in various specific sequences in the polypeptide chain with polypeptide chains combining to form a protein. What…

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What causes Airy rings?

Diffraction pattern: Airy rings The amplitude distribution for diffraction due to a circular aperture forms an intensity pattern with a bright central band surrounded by concentric circular bands of rapidly decreasing intensity (Airy pattern). How are Airy disks formed? An Airy disk is the central bright circular region of the…

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What is an example of a system boundary?

The machine and the bank’s local database of customer accounts. The machine and the bank’s national network and central database of transactions and account balances. The machine and the staff that loan and run regular software checks of the machine. What is boundary in system theory? System Boundary. A system…

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How did ancient Romans wear their hair?

Hair Styles Some Romans wore their hair long, not only over the forehead, but in a ring around the head, that on the crown of the head being cut short. Other Romans liked their hair long and combed on the end, this would make their hair resemble a crest. The…

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How is cerebral atherosclerosis diagnosed?

Diagnosis of the disease is normally done through imaging technology such as angiograms or magnetic resonance imaging. The risk of cerebral atherosclerosis and its associated diseases appears to increase with increasing age; however there are numerous factors that can be controlled in attempt to lessen risk. What causes atherosclerosis in…

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How do you identify an alkyl group?

First, locate the parent chain, which is the longest chain in a compound’s structure. Next, look for carbon and hydrogen atoms branching off of this parent chain. Those branched molecules that only contain carbon atoms that are fully saturated with hydrogen atoms are your alkyl groups. What is the name…

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Which elements are known as bridge elements?

Na and Mg are also called bridge elements since they link Group IA and Group IB. Why Period 2 elements are called bridge elements? the period 2 element is known as bridge element because they show similarity in properties with elements of next group and subsequent period. for eg beryllium…

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What are the steps in anodizing?

Batch and coil anodizing are accomplished in five carefully controlled, calibrated, quality-tested stages: Cleaning. Alkaline and/or acid cleaners remove grease, and surface dirt. Pre-Treatment. ◦ Etching. … Anodizing. … Coloring. … Sealing. What is the process of anodising used for? Anodising is an electrolytic process for producing thick oxide coatings,…

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What does Biostratigraphic dating rely on?

Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them. Is Biostratigraphic dating a method of absolute dating? Biostratigraphic dating is a relative dating method that uses the associations of fossils in strata to determine…

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What was the purpose of the Native Land Act of 1913?

The Natives’ Land Act of 1913 defined less than one-tenth of South Africa as Black “reserves” and prohibited any purchase or lease of land by Blacks outside the reserves. The law also restricted the terms of tenure under which Blacks could live on white-owned farms. How was the land taken…

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What is an automatic welding process?

Automatic welding is a generic term for welding processes using equipment that continues welding without the need for an operator for it to run continuously. … Automatic spot welders and automatic contact welding machines are used for quick welding in the manufacturing lines of connectors and other electrical components. Is…

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What is ASU process?

ASU uses multi-column cryogenic distillation process to produce gaseous oxygen and nitrogen (at above atmospheric pressure and near ambient temperature). The gas liquefaction is a process to form liquid from a gas through compression and cooling. What is an ASU in oil and gas? Air Separations Units (ASU) Air Separation…

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What are basal and apical dendrites?

Two types of dendrites present on pyramidal cells are apical and basal dendrites. Apical dendrites are the most distal along the ascending trunk, and reside in layer 1. … Basal dendrites include shorter radially distributed dendrites which receive input from local pyramidal cells and interneurons. What is dendrite branching and…

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Why does acetic acid have a high melting point?

More importantly, organic acids form dimers (usually) with their hydrogen bonds (acetic acid dimer, for example). For this reason, the packing of the acids in the solid phase is significantly better than that of alcohol; hence the higher melting point. Acetic acid: 16 ∘C vs. −114 ∘C for ethanol. What…

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What are agricultural groups?

Agricultural interest groups are a type of economic interest group. Agricultural interest groups represent the economic interests of farmers, including issues such as crop prices, land use zoning, government subsidies, and international trade agreements. What type of interest group is MADD? Mothers Against Drunk Driving (MADD) is a non-profit organization…

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What is human movement biomechanics?

Biomechanics is the science of movement of a living body, including how muscles, bones, tendons, and ligaments work together to produce movement. … Biomechanics studies not only the human body but also animals and even extends to plants and the mechanical workings of cells. What are the 5 main components…

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What are some typical American norms?

PERSONAL CONTROL OVER THE ENVIRONMENT. People can/should control nature, their own environment and destiny. … CHANGE / MOBILITY. … TIME AND ITS IMPORTANCE. … EQUALITY / EGALITARIANISM. … INDIVIDUALISM, INDEPENDENCE AND PRIVACY. … SELF-HELP. … COMPETITION AND FREE ENTERPRISE. … FUTURE ORIENTATION / OPTIMISM. What is a norm in American…

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What do biosystems engineers do?

Biological systems engineers develop the techniques and processes to work with living systems, including microbes, plants and animals. They provide engineering input to produce and process food, fiber, energy, and pharmaceuticals. What is bioprocess engineering? To that end, bioprocess engineering is the planning, construction, execution, and revision of the biological…

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What is pyran ring?

In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds. … The term pyran is also often applied to the saturated ring analog, which is more properly referred to as tetrahydropyran (oxane). What are pyran…

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